30947790763 has 2 divisors, whose sum is σ = 30947790764. Its totient is φ = 30947790762.

The previous prime is 30947790719. The next prime is 30947790781. The reversal of 30947790763 is 36709774903.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-30947790763 is a prime.

It is a super-2 number, since 2×30947790763² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (30947794763) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15473895381 + 15473895382.

It is an arithmetic number, because the mean of its divisors is an integer number (15473895382).

Almost surely, 2^30947790763 is an apocalyptic number.

30947790763 is a deficient number, since it is larger than the sum of its proper divisors (1).

30947790763 is an equidigital number, since it uses as much as digits as its factorization.

30947790763 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6001128, while the sum is 55.

The spelling of 30947790763 in words is "thirty billion, nine hundred forty-seven million, seven hundred ninety thousand, seven hundred sixty-three".